100
x + 4 = 25
What is 21
100
m + 2.4 = 3.7
What is 1.3
200
a + 13 = 13
What is 0
200
x +6.0 = 10.8
What is 4.8
300
k - 83 =121
What is 204
300
8.02 = 2x
What is 4.01
400
x + 36 = 100
What is 64
400
x - 327 = 665
What is 992
400
28 = a/13
What is 364
400
c/9 = 1.1
What is 9.9
500
199 = c + 98
What is 101
500
a - 163 = 392
What is 555
500
80 = x/15
What is 1200
500
.12 = y/3
What is .36